Washington State is enjoying San Diego-like weather. This has been particularly true above the lowlands where cold air tends to settle. On Monday, Bob and I investigated a debris flow which entailed making our way up a steep drainage to a ridge summit at 2,800 feet. It was a very steep climb. During a short break we found ourselves in a small cloud of mosquitos at 2,000 feet. Just below the summit ridge we came across this woolly bear caterpillar. Bob noted
They mocked when Edgar Allan Poe published his prose poem "Eureka" in his last year of life, describing how the universe had begun with a single "primordial particle" that exploded outwards in "one instantaneous flash." But 80 years later, cosmologists started realizing that Poe had been on to something.Read more...
Genghis Khan's genetic legacy endures in the Y-chromosomes of millions of male descendants. Now, researchers have found evidence for the existence of ten other men who may have founded highly successful Y-chromosome lineages in Asia, beginning as early as 2100 B.C. Nature's Ewen Calloway has the details.Read more...
I got to class on time. The class went ok but I spent too much time talking, which is what happens when I don’t put a lot of effort ahead of time into making sure I don’t spend too much time talking. My first-day-of-class activity was ok but I think I needed another activity for […]
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Over at the Dynamic Ecology blog, Jeremy Fox asked me some interesting questions about the history, philosophy, and science of the E. coli long-term evolution experiment. Perhaps mistakenly—in terms of time management, not my interest!—I agreed to try to answer … Continue reading →